:root {
    --bg-fundo: #f4f4f5;     
    --bg-elementos: #ffffff;  
    --bg-borda: #d4d4d8;     
    --cor-titulo: #18181b;  
    --cor-texto: #52525b;     
    --cor-destaque: #27272a;  
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'DM Sans', sans-serif; }

body {
    background-color: var(--bg-fundo);
    color: var(--cor-texto);
}

.container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }

header { 
    padding: 60px 0; 
    background: var(--bg-elementos); 
    border-bottom: 1px solid var(--bg-borda); 
}

.profile { display: flex; align-items: center; gap: 40px; justify-content: center; text-align: left; }

.logo-principal { 
    width: 130px; 
    height: auto; 
    border-radius: 50%; 
    border: 4px solid var(--bg-fundo); 
    box-shadow: 0 4px 10px rgba(0,0,0,0.1); 
    background-color: #0B1120; 
}

.bio { max-width: 600px; }

.tag { color: var(--cor-destaque); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.5px; text-transform: uppercase;}

h1 { color: var(--cor-titulo); font-size: 2.2rem; margin: 5px 0 10px 0; }
p { color: var(--cor-texto); max-width: 500px; margin-bottom: 20px; line-height: 1.5; }


.social-links { 
    display: flex; 
    gap: 10px; 
    flex-wrap: wrap; 
    justify-content: flex-start; 
}

.btn-icon {
    background: var(--bg-fundo); border: 1px solid var(--bg-borda); color: var(--cor-texto);
    text-decoration: none; padding: 8px 16px; border-radius: 6px;
    font-size: 0.9rem; font-weight: 500; display: flex; align-items: center; gap: 8px;
    transition: 0.2s;
    white-space: nowrap; 
}
.btn-icon:hover { border-color: var(--cor-destaque); color: var(--bg-fundo); background: var(--cor-destaque); transform: translateY(-2px); }


.btn-linkedin {
    background-color: var(--bg-fundo);
    color: var(--cor-texto);
    border: 1px solid var(--bg-borda);
}
.btn-linkedin:hover {
    border-color: #0077b5 !important;
    color: #0077b5 !important;
    background: white !important;
}

/* Estilo Específico: GitHub (Clean) */
.btn-github {
    background-color: var(--bg-fundo);
    color: var(--cor-texto);
    border: 1px solid var(--bg-borda);
}
.btn-github:hover {
    border-color: #333333 !important;
    color: #333333 !important;
    background: white !important;
}

.projects-section { padding: 60px 0; }
.section-title { font-size: 1.5rem; color: var(--cor-titulo); margin-bottom: 30px; font-weight: 700; }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 40px; }

.card {
    background: var(--bg-elementos); border-radius: 12px; overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--bg-borda); transition: 0.3s;
}
.card:hover { transform: translateY(-5px); border-color: var(--cor-destaque); }

.card-image { height: 180px; position: relative; }
.card-image img { width: 100%; height: 100%; object-fit: cover; opacity: 1; }

.overlay {
    position: absolute; inset: 0; background: rgba(0, 0, 0, 0.7);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: 0.3s;
}
.card-image:hover .overlay { opacity: 1; }

.btn-view { background: var(--cor-destaque); color: var(--bg-elementos); padding: 10px 25px; border-radius: 6px; text-decoration: none; font-weight: 600; }
.btn-view:hover { background: #000; }

.card-content { padding: 24px; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.card h3 { font-size: 1.25rem; color: var(--cor-titulo); }

.status { background: rgba(16, 185, 129, 0.1); color: #34d399; font-size: 0.7rem; padding: 3px 8px; border-radius: 4px; font-weight: 700; text-transform: uppercase; }

.techs { margin-top: 20px; display: flex; gap: 8px; }
.techs span { background: var(--bg-fundo); color: var(--cor-texto); font-size: 0.75rem; padding: 4px 10px; border-radius: 4px; font-weight: 600; }

.placeholder { border: 2px dashed var(--bg-borda); background: transparent; box-shadow: none; }
.centered { text-align: center; padding: 50px 20px; color: var(--bg-borda); }
.icon-big { font-size: 2.5rem; display: block; margin-bottom: 10px; color: var(--bg-borda); }

footer { text-align: center; padding: 40px; color: var(--cor-texto); font-size: 0.85rem; border-top: 1px solid var(--bg-borda); margin-top: 40px;}


@media (max-width: 768px) {
    .profile { flex-direction: column; text-align: center; gap: 20px; }
    
    .social-links { 
        justify-content: center; 
        width: 100%; 
    }
}